> >> David: F, c because I want to tell printf, "Use these values in those placeholders, these values in those format strings."

>，【无法辨认的声音】,>>，大卫：“f，c“因为我想告诉printf，“在那些占位符,和那个格式下打印这些值“

哈佛公开课 - 计算机科学课程节选

But if it does take input, you have to provide it in the form of arguments or parameters, like print F takes, generally, inside of those parentheses.

但是如果它获得了输入，你需要为它提供相应格式的,参数或参量，像printf的输入，一般地，在这些圆括号里。

哈佛公开课 - 计算机科学课程节选

So I think I can safely say that most people had the right idea and were counting quickly, 3 though I have a feeling that some people who wrote 13 might have forgotten about those 4 f, the 4 f electrons.

我认为我可以放心地说,大部分人的想法都是对的,数得也很快，只是我感觉不少选，13，的人都是因为3,忘了，4，f，4，f，电子。

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